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03-20-2002, 01:16 PM
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or '331 LX Eric'
Join Date: Jan 1999
Location: Columbus, Ohio
Posts: 2,142
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Matching the TB size to any motor is always a good idea. In one dyno test performed by 5.0 Magazine, they had a mildly modified 302 (heads, intake, cam) test mule. I believe the 65 mm was the best. However, it should be noted that in some cases, a larger TB provided higher peak HP, but with loses across the lower to middle power band.
On a near stock motor, stick with the factory TB. E
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1991 5.0 LX Coupe - 40,750 miles 331 cu. in. / Tremec 3550 / BFG Drag Radials 12.22 @ 114.31 mph - w/1.89 60' |
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